For instance, blood in urine and stool may point to a vitamin K deficiency. While bloody urine or stool can occur due to various causes, addressing it promptly is important, especially if it's ...

Researchers found evidence of microbial life in what should have been a pristine sample of an asteroid, a frustrating sign that avoiding earthly contamination may be harder than we thought.

Instead, the microorganisms originated from Earth, indicating that the samples somehow got contaminated by our own pesky microorganisms, underscoring just how hard it is to probe off-Earth samples ...

Engineers and biochemists have brought their skills together to make it possible for untrained users to confirm contamination in fluids using a biogel test that changes color in the presence of such ...

Add articles to your saved list and come back to them any time. Harness racing is embroiled in a drug-testing scandal after two up-and-coming drivers from Sydney submitted urine samples that were ...

Researchers from Imperial College London have discovered that a space-returned sample from asteroid Ryugu was rapidly colonized by terrestrial microorganisms, even under stringent contamination ...

At least 15 people have fallen sick as a result of eating contaminated ground beef, and health officials warn that the ...

More than 160,000 pounds of ground beef are being recalled after 15 people became ill with E. coli food poisoning.

Nov. 24 (UPI) --A California milk producer has voluntarily recalled its raw milk after a sample tested positive for avian flu, the state said Sunday. Bird flu has been detected in a retail sample ...

The Minnesota Department of Agriculture identified the outbreak on November 20 from a ground beef sample contaminated with E. coli O157. This strain is a “potentially deadly bacterium” that ...

The U.S. Department of Agriculture is recalling more than 100 types of ground beef products that have been distributed to ...